Threat Assessment Executive Protection

So, you want to learn about threat assessment?

ATAP recommends about 60 different texts, but here are the primary ones. I split them into Tier 1, Tier 2, and other relevant free resources recommended by threat assessment professionals. All blue links direct you to free PDFs.


Tier I Resoruces

Snakes in Suits: When Psychopaths go to Work (2006) by Babiak, P., & Hare, R. D. (2006).

Threat Assessment and Management Strategies: Identifying the Howlers and Hunters (2009) by Calhoun, F. S., & Weston, S. W.

Violence Assessment and Intervention: The practitioner's Handbook-2nd edition(2009) by Cawood, J. S., & Corcoran, M. H.

Evaluation for Risk of Violence in Adults (2009) by Heilbrun, K.

International Handbook of Threat Assessment (2013) by J. R. Meloy, & J. Hoffman, Ed.

Handbook of Violence Risk Assessment (2010) by Otto, R. K., & Douglas, K. S.


Tier II Resources

Workplace Violence Prevention and Intervention: American National Standard (2011) by ASIS International, & Society for Human Resources Management.

Risk Assessment Guideline Elements for Violence (2006) by Association of Threat Assessment Professionals.

ATAP Code of Ethical Conduct (2010) by Association of Threat Assessment Professionals.

Hunters and Howlers: Threats and Violence Against Federal Judicial Officials in the United States 1789-1993 (1998) by Calhoun, F. S.United States Marshals Service; USMS Pub. No. 80.

Protective Intelligence & Threat Assessment Investigations: A Guide for State and Local Law Enforcement Officials (1998) by Fein, R. A., & Vossekuil, B. Washington, D.C.: U.S. Department ofJustice, Office of Justice Programs, National Institute of Justice.

Threat Assessment in Schools: A Guide to Managing Threatening Situations and to Creating Safe School Climates (2002) by Fien, R., Vossekuil, B., Pollack, W., Borum, R., Modzeleski, W., & Reddy, M. Washington, D.C.: U.S.Department of Education, Office of Elementary and Secondary Education, Safe and Drug-Free Schools Program and U.S. Secret Service, National Threat Assessment Center.

Workplace Violence: Issues in Response (2004) by Rugala, E. A. Washington, D.C.: Department of Justice, Federal Bureau of Investigation.

Mass Shootings at Virginia Tech, April 16th, 2007: Report of the Review Panel Presented to Governor Kaine, Commonwealth of Virginia (2007) by Virginia Tech Review Panel. Richmond, VA. *NOTE: The link goes to the revised version-Addendum, but ATAP lists the old version*

The Final Report and Findings of the Safe Schools Initiative: Implications for the Prevention of School Attacks in the United States (2004) by Vossekuil, B., Fein, R., Reddy, M., Borum, R., & Modzeleski, W. Washington, D.C.: U.S. Department of Education, Office of Elementary and Secondary Education, Safe and Drug-Free Schools Program and U.S. Secret Service, National Threat Assessment Center

Threat Assessment Glossary (2012) by Weston, S., & Calhoun, F. (Editors). Sacramento, CA: Association of Threat Assessment Professionals; University of Nebraska, Lincoln Public Policy Center; CRC Press, A Taylor Francis Group


Other Free Resources


Stalking Survival Handbook by Rhonda Saunders

Stalking Presentations by Rhonda Saunders


Campus Attacks: Targeted Violence Affecting Institutions of Higher Education (2010) by US Secret Service, US Department of Education, Federal Bureau of Investigation

Task Force Report: Predicting Violent Behavior (2012) by DOD Defense Science Board Office of the Under Secretary of Defense for Acquisition, Technology and Logistics, Washington D.C.

Attacks on Federal Government 2001 - 2013: Threat Assessment Considerations (2015) by National Threat Assessment Center, US Department of Homeland Security, US Secret Service

Implementing Behavioral Threat Assessment on Campus: A Virginia Tech Demonstration Project (2009) by Marisa R. Randazzo, Ph.D. and Ellen Plummer, Ph.D. Virginia Polytechnic Instute and State University

Campus Threat Assessment and Management Teams: What Risk Managers Need to Know Now (2011) by Jeffrey J. Nolan, Marisa R. Randazzo, and Gene Deisinger, University Risk Management and Insurance Association

Campus Threat Assessment Case Studies: A Training Tool for Investigation, Evaluation, and Intervention (2012) Community Oriented Policing Services, US Department of Justice

Protecting Judicial Officials: Implementing an Effective Threat Management Process (2006) by U.S. Department of Justice Bureau of Justice Assistance

Considering ATAP's Certified Threat Manager™ Certification? Read more here.